Earthquake with magnitude of ML 1.4 on date 02-04-2017 and time 14:19:55 (Italy) in region 6 km NW Accumoli (RI)

A magnitude ML 1.4 earthquake occured in region: 6 km NW Accumoli (RI), on

  • 02-04-2017 12:19:55 (UTC)
  • 02-04-2017 14:19:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7290, 13.1950 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Accumoli RI 6 667 667
Arquata del Tronto AP 10 1178 1845
Norcia PG 11 4957 6802
Cittareale RI 13 482 7284
Amatrice RI 13 2657 9941
Cascia PG 15 3217 13158
Montegallo AP 17 523 13681
Acquasanta Terme AP 18 2916 16597
Castelsantangelo sul Nera MC 19 281 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
47 Km SE of Foligno (57155 inhabitants)
49 Km E of Terni (111501 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km W of Chieti (51815 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.4 2017-04-02
12:19:55
42.729 13.1947 11 2017-04-02
12:29:39
Sala Sismica INGV-Roma 43289421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-02 12:19:55 ± 0.03
Latitude 42.7290 ± 0.0018
Longitude 13.1947 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 43289421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 249
Semi-minor axis of confidence ellipse (meter) 191
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.35523
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 43289421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-02 12:29:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T1219.EHZ. 2017-04-02T12:20:09.07 0.1 undecidable manual S 337 39.4272 50 0.16 93
IV.T1211.EHZ. 2017-04-02T12:20:07.91 0.1 undecidable manual S 232 35.2425 50 0.12 94
IV.FDMO.HHZ. 2017-04-02T12:20:07.90 0.1 undecidable manual S 346 35.2425 50 0.11 94
IV.T1241.EHZ. 2017-04-02T12:20:04.52 0.1 undecidable manual S 54 23.8539 50 -0.24 94
IV.RM33.EHZ. 2017-04-02T12:20:04.70 0.1 undecidable manual S 176 24.4533 50 -0.22 94
IV.T1216.EHZ. 2017-04-02T12:20:04.47 0.6 undecidable manual S 321 22.9548 50 -0.04 49
IV.T1219.EHZ. 2017-04-02T12:20:03.45 0.1 undecidable manual P 337 39.4272 50 0.04 95
IV.T1217.EHZ. 2017-04-02T12:20:03.99 0.1 undecidable manual S 265 21.5673 50 -0.15 96
IV.FDMO.HHZ. 2017-04-02T12:20:02.75 0.1 undecidable manual P 346 35.2425 50 -0.01 96
IV.SMA1.EHZ. 2017-04-02T12:20:02.58 0.3 undecidable manual S 134 15.873 125 0.01 75
IV.T1211.EHZ. 2017-04-02T12:20:02.84 1.0 positive manual P 232 35.2425 50 0.08 24
IV.T1245.HHZ. 2017-04-02T12:20:02.23 0.1 undecidable manual S 358 14.1747 128 0.13 98
IV.T1212.EHZ. 2017-04-02T12:20:01.53 0.1 undecidable manual S 282 12.4764 131 -0.12 98
IV.T1216.EHZ. 2017-04-02T12:20:01.06 1.0 undecidable manual P 321 22.9548 50 0.19 24
IV.NRCA.HHZ. 2017-04-02T12:20:01.58 0.1 undecidable manual S 331 13.2756 129 -0.29 94
IV.T1299.EHZ. 2017-04-02T12:20:01.73 0.1 undecidable manual S 146 12.6762 131 0.02 100
IV.RM33.EHZ. 2017-04-02T12:20:00.98 0.1 undecidable manual P 176 24.4533 50 -0.12 96
IV.T1241.EHZ. 2017-04-02T12:20:00.91 0.1 undecidable manual P 54 23.8539 50 -0.1 97
IV.T1217.EHZ. 2017-04-02T12:20:00.69 0.1 undecidable manual P 265 21.5673 50 0.04 98
IV.T1218.EHZ. 2017-04-02T12:20:00.74 0.1 undecidable manual S 225 9.1797 140 -0.11 99
IV.T1299.EHZ. 2017-04-02T12:19:59.46 0.1 positive manual P 146 12.6762 131 0.21 96
IV.T1245.HHZ. 2017-04-02T12:19:59.61 0.1 undecidable manual P 358 14.1747 128 0.13 98
IV.T1212.EHZ. 2017-04-02T12:19:59.33 0.1 undecidable manual P 282 12.4764 131 0.11 98
IV.SMA1.EHZ. 2017-04-02T12:19:59.97 0.1 undecidable manual P 134 15.873 125 0.22 96
IV.T1214.EHZ. 2017-04-02T12:19:59.55 0.1 undecidable manual S 19 3.5964 162 -0.33 95
IV.NRCA.HHZ. 2017-04-02T12:19:59.43 0.1 positive manual P 331 13.2756 129 0.08 99
IV.T1214.EHZ. 2017-04-02T12:19:58.30 0.3 negative manual P 19 3.5964 162 0.1 75
IV.T1218.EHZ. 2017-04-02T12:19:58.90 0.1 positive manual P 225 9.1797 140 0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.6 0.000354 0.08 AML other m 2017-04-02T12:20:01.71
IV.NRCA.HHE. ML:1.8 0.0007025 0.1 AML other m 2017-04-02T12:20:01.83
IV.RM33.EHN. ML:0.9 0.00004265 0.46 AML other m 2017-04-02T12:20:05.42
IV.RM33.EHE. ML:0.9 0.000045700000000000006 0.42 AML other m 2017-04-02T12:20:09.77
IV.SMA1.EHN. ML:1.0 0.00009385 0.5 AML other m 2017-04-02T12:20:03.36
IV.SMA1.EHE. ML:1.0 0.0000881 0.96 AML other m 2017-04-02T12:20:03.86
IV.T1214.EHN. ML:1.5 0.0005245 0.24 AML other m 2017-04-02T12:19:59.64
IV.T1214.EHE. ML:1.4 0.0003815 0.06 AML other m 2017-04-02T12:19:59.90
IV.T1218.EHN. ML:2.0 0.00127 0.24 AML other m 2017-04-02T12:20:01.03
IV.T1218.HNN. ML:2.0 0.0012900000000000001 0.24 AML other m 2017-04-02T12:20:01.03
IV.T1218.HNE. ML:1.6 0.0005909999999999999 1.72 AML other m 2017-04-02T12:20:01.07
IV.T1218.EHE. ML:1.6 0.0005639999999999999 1.7 AML other m 2017-04-02T12:20:01.08
IV.T1245.HHE. ML:1.3 0.00017449999999999999 0.72 AML other m 2017-04-02T12:20:03.68
IV.T1245.HHN. ML:1.4 0.0002325 0.66 AML other m 2017-04-02T12:20:02.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download